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[Bug tree-optimization/81038] [8 regression] test case g++.dg/vect/slp-pr56812.cc fails starting with r248678
- From: "sje at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 01 Aug 2017 22:10:00 +0000
- Subject: [Bug tree-optimization/81038] [8 regression] test case g++.dg/vect/slp-pr56812.cc fails starting with r248678
- Auto-submitted: auto-generated
- References: <bug-81038-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81038
Steve Ellcey <sje at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-08-01
CC| |sje at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #3 from Steve Ellcey <sje at gcc dot gnu.org> ---
Looking at the slp dump file on aarch64 where this also fails I see these
messages:
slp-pr56812.cc:18:1: note: === vect_analyze_data_refs ===
slp-pr56812.cc:18:1: note: not vectorized: no vectype for stmt: MEM[(float
*)thi
s_4(D)] = vect_cst__10;
scalar_type: vector(4) float
slp-pr56812.cc:18:1: note: not vectorized: no vectype for stmt: MEM[(float
*)vec
tp_this.5_6] = vect_cst__10;
scalar_type: vector(4) float
slp-pr56812.cc:18:1: note: === vect_analyze_data_ref_accesses ===
slp-pr56812.cc:18:1: note: not vectorized: no grouped stores in basic block.